158 TELEOSTOMES 
vival (Palzeozoic-Mesozoic) have made it the most widely 
known of fossil fishes. Of all extinct Ganoids there 
mS 4 
% - 
Sse 
EBAY 
LVS 
ETAT INS 
"9 r >» ‘“ 
> 
c= fl eee — <== 
> — 3 
Fig. 162. — Aspidorhynchus acutirostris, Agassiz. X }. (After ZITTEL.) Jura, 
Solenhofen. 
appears to attach to Palzeoniscus the greatest morphological 
interest; on the one hand, it seems closely akin to the 
Lien 
LUIS ME 
LIL 4 
NED: 
\ \y 
\ \" 
NN 
LS 
NERA (AN) 
\ \) 
TE AW \ 
vii 
Fig. 163. — Microdon wagneri, Thiollitre. 4}. (From ZITTEL, after THIOL- 
LIERE.) Jura, Cerin. 
